Q14.9Multiple correct
When an electric field is applied across a semiconductor
- (a)electrons move from lower energy level to higher energy level in the conduction band.
- (b)electrons move from higher energy level to lower energy level in the conduction band.
- (c)holes in the valence band move from higher energy level to lower energy level.
- (d)holes in the valence band move from lower energy level to higher energy level.